/* ==========================================================================
   Veliq — tokens
   ========================================================================== */

:root {
  --ink: #0b0d10;
  --graphite: #1b1f24;
  --graphite-2: #22262c;
  --bone: #ece6da;
  --bone-dim: rgba(236, 230, 218, 0.62);
  --champagne: #c9a876;
  --champagne-dim: rgba(201, 168, 118, 0.45);
  --pulse: #e2624b;
  --hairline: rgba(236, 230, 218, 0.14);

  --font-display: "Fraunces", ui-serif, Georgia, serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --section-pad: clamp(4rem, 9vw, 8rem);
  --edge-pad: clamp(1.25rem, 5vw, 4rem);
  --max: 1200px;
}

/* ==========================================================================
   Reset
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, p {
  margin: 0;
}

:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: 3px;
}

.wrap {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--edge-pad);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--champagne);
}

/* reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ==========================================================================
   Nav
   ========================================================================== */

.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(11, 13, 16, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.1rem;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.35rem;
  letter-spacing: 0.14em;
  text-decoration: none;
  color: var(--bone);
}

.nav-links {
  display: flex;
  gap: 2.25rem;
}

.nav-links a {
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bone-dim);
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--champagne);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  padding: 0.5rem 0.7rem;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 1px;
  background: var(--bone);
  position: relative;
  transition: transform 0.2s ease;
}

.nav-toggle span::before {
  position: absolute;
  top: -6px;
}

.nav-toggle span::after {
  position: absolute;
  top: 6px;
}

@media (max-width: 720px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--graphite);
    border-bottom: 1px solid var(--hairline);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .nav-links.is-open {
    max-height: 260px;
  }

  .nav-links a {
    padding: 1rem var(--edge-pad);
    border-top: 1px solid var(--hairline);
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--champagne);
  color: var(--ink);
  font-weight: 500;
}

.btn-primary:hover {
  background: #d9bc8e;
}

.btn-ghost {
  border-color: var(--hairline);
  color: var(--bone);
}

.btn-ghost:hover {
  border-color: var(--champagne);
  color: var(--champagne);
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-top: clamp(3rem, 8vw, 6rem);
  padding-bottom: var(--section-pad);
  overflow: hidden;
}

.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-copy .eyebrow {
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.6rem, 5.4vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.hero-title em {
  font-style: italic;
  color: var(--champagne);
}

.hero-sub {
  margin-top: 1.5rem;
  max-width: 46ch;
  font-size: 1.05rem;
  color: var(--bone-dim);
}

.hero-actions {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}

.hero-actions .btn-ghost {
  border-color: transparent;
  text-decoration: underline;
  text-underline-offset: 4px;
  padding-inline: 0;
}

.hero-diagram-wrap {
  position: relative;
}

.hero-diagram-caption {
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-dim);
  text-align: center;
}

/* ring diagram */

.ring-diagram .ring-outer,
.ring-diagram .ring-inner {
  fill: none;
  stroke: var(--champagne);
  stroke-width: 1.4;
  transition: stroke-dashoffset 1.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.ring-diagram .ring-outer {
  stroke-dasharray: 880;
  stroke-dashoffset: 880;
}

.ring-diagram .ring-inner {
  stroke-dasharray: 616;
  stroke-dashoffset: 616;
  transition-delay: 0.15s;
}

.ring-diagram.is-visible .ring-outer,
.ring-diagram.is-visible .ring-inner {
  stroke-dashoffset: 0;
}

.ring-diagram .dial-ticks line {
  stroke: var(--bone);
  stroke-width: 1;
  opacity: 0.22;
}

.ring-diagram .leader {
  fill: none;
  stroke: var(--bone-dim);
  stroke-width: 1;
  opacity: 0;
  transition: opacity 0.6s ease 0.9s;
}

.ring-diagram.is-visible .leader {
  opacity: 1;
}

.ring-diagram .label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  fill: var(--bone-dim);
  opacity: 0;
  transition: opacity 0.6s ease 1.05s;
}

.ring-diagram.is-visible .label {
  opacity: 1;
}

.ring-diagram .marker-battery {
  fill: var(--champagne);
  fill-opacity: 0.28;
  stroke: var(--champagne);
  stroke-width: 1;
}

.ring-diagram .marker-sensor {
  fill: var(--pulse);
  fill-opacity: 0.42;
  stroke: var(--pulse);
  stroke-width: 1;
}

.ring-diagram .marker-contact {
  fill: var(--bone);
}

.ring-diagram .center-label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  fill: var(--bone-dim);
  text-anchor: middle;
}

@media (max-width: 900px) {
  .hero .wrap {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Feature — scroll-driven canvas + captions
   ========================================================================== */

.feature-pin-wrap {
  position: relative;
  height: 500vh;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.feature-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--ink);
}

.feature-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.feature-hint {
  position: absolute;
  left: var(--edge-pad);
  bottom: 1.75rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bone-dim);
  opacity: 0.7;
}

.feature-captions {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--edge-pad);
  pointer-events: none;
}

.feature-caption {
  position: absolute;
  max-width: 46ch;
  text-align: center;
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.feature-caption.is-active {
  opacity: 1;
  transform: translateY(0);
}

.feature-caption .eyebrow {
  display: block;
  margin-bottom: 0.85rem;
}

.feature-caption-text {
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.3;
  color: var(--bone);
}

@media (prefers-reduced-motion: reduce) {
  .feature-pin-wrap {
    height: auto;
  }

  .feature-sticky {
    position: relative;
    height: 70vh;
  }

  .feature-caption {
    position: relative;
    opacity: 1;
    transform: none;
    margin-bottom: 2rem;
  }

  .feature-captions {
    position: relative;
    flex-direction: column;
    padding-block: 2rem;
  }
}

/* ==========================================================================
   Section shells
   ========================================================================== */

.section {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--hairline);
}

.section.alt {
  background: var(--graphite);
}

.section-head {
  max-width: 56ch;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.9rem, 3.6vw, 2.75rem);
  letter-spacing: -0.01em;
  margin-top: 0.6rem;
}

.section-lede {
  margin-top: 1rem;
  color: var(--bone-dim);
  max-width: 52ch;
}

/* ==========================================================================
   Signals
   ========================================================================== */

.signal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}

.signal-card {
  background: var(--ink);
  padding: 2rem 1.75rem;
}

.signal-label {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.signal-readout {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 3vw, 2.3rem);
  color: var(--bone);
}

.signal-readout.pulse {
  color: var(--pulse);
}

.signal-desc {
  margin-top: 0.85rem;
  font-size: 0.88rem;
  color: var(--bone-dim);
  line-height: 1.5;
}

/* ==========================================================================
   Build (materials)
   ========================================================================== */

.build-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.build-copy p {
  color: var(--bone-dim);
  max-width: 50ch;
}

.build-copy p + p {
  margin-top: 1rem;
}

/* cutaway strata */

.strata {
  margin-top: 2.5rem;
  border: 1px solid var(--hairline);
}

.strata-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--hairline);
}

.strata-row:last-child {
  border-bottom: none;
}

.strata-swatch {
  flex: 0 0 auto;
  width: 2.75rem;
  height: 0.85rem;
}

.strata-copy .strata-name {
  font-size: 0.92rem;
  color: var(--bone);
}

.strata-copy .strata-detail {
  margin-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--bone-dim);
}

/* finish + size selectors */

.picker {
  margin-top: 1rem;
}

.picker-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bone-dim);
}

.picker-value {
  font-family: var(--font-mono);
  color: var(--champagne);
  text-transform: none;
  letter-spacing: 0;
}

.finish-row {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.finish-swatch {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  cursor: pointer;
  padding: 0;
  position: relative;
}

.finish-swatch::after {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.finish-swatch[aria-pressed="true"]::after {
  border-color: var(--champagne);
}

.size-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.size-btn {
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--hairline);
  background: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--bone-dim);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.size-btn:hover {
  border-color: var(--champagne-dim);
}

.size-btn[aria-pressed="true"] {
  border-color: var(--champagne);
  color: var(--champagne);
}

.picker-note {
  margin-top: 0.9rem;
  font-size: 0.8rem;
  color: var(--bone-dim);
}

/* ==========================================================================
   Datasheet
   ========================================================================== */

.datasheet {
  border: 1px solid var(--hairline);
}

.spec-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 1rem;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-key {
  color: var(--bone-dim);
  letter-spacing: 0.03em;
}

.spec-val {
  color: var(--bone);
}

/* ==========================================================================
   Reserve
   ========================================================================== */

.reserve-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.price-block {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.price {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  color: var(--champagne);
}

.price-note {
  font-size: 0.85rem;
  color: var(--bone-dim);
  max-width: 40ch;
}

.reserve-form {
  margin-top: 2rem;
}

.reserve-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.reserve-input {
  flex: 1 1 240px;
  background: var(--graphite-2);
  border: 1px solid var(--hairline);
  color: var(--bone);
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.reserve-input::placeholder {
  color: var(--bone-dim);
}

.reserve-note {
  margin-top: 0.9rem;
  font-size: 0.78rem;
  color: var(--bone-dim);
}

.reserve-confirm {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--champagne);
  display: none;
}

.reserve-confirm.is-shown {
  display: block;
}

.reserve-form.is-confirmed .reserve-row,
.reserve-form.is-confirmed .reserve-note {
  display: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--hairline);
  padding-block: 2.5rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.footer-word {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
}

.footer-fine {
  font-size: 0.78rem;
  color: var(--bone-dim);
}